SMART 3NC

The SMART3 NC is a point gas detector for safe areas with a number of features for easy operation and maintenance such as ongoing system self-diagnosis, seamless installation and maintenance via handheld keypad and options for relay output and Modbus communication.

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Overview

The SMART3 NC is a point gas detector for safe areas, designed to be installed in non-classified areas and car parks.

Ongoing system self-diagnosis

Self-diagnostic procedures to ensure correct detector operation and performance.

Relay and Modbus communication options

The SMART3 NC features standard 4-20mA and optional 3 relay output as well as the option of an RS485 interface for Modbus communication.

Calibration made easy

The SMART3 NC detectors offer a seamless installation whilst maintenance and calibration can be done via the handheld keypad STS/CKD.

Specification

	Catalytic sensor	Electrochemical cell	Infrared sensor
Size	Box: H100 x W100 x D52 mm (3.9 x 3.9 x 2ins) Cover: H105.8 x W105.8 x D7.8 mm (4.2 x 4.2 x 0.3ins)
Weight	0.25kg
Enclosure material	Polycarbonate
Ingress Protection	IP55
Connection	2 x M20
Power	12-24 Vdc
Electrical output	Analogue 4-20 mA output; 1 or 3 relay board (optional); serial RS485 output (optional)
Operating temperature	-20 / +60°C	-20 / +55°C	-20 / +60°C
Humidity	0 / 90% RH	15 / 90% RH	0 / 90% RH
EMC compliance	EN 61000-6-3:2007 + A1:2011; EN 50270:2015

Gases

	Sensor type
Methane (CH₄)	Catalytic sensor
Petrol Vapours	Catalytic sensor
LPG	Catalytic sensor
Carbon Monoxide (CO)	Electrochemical sensor
Nitrogen Dioxide (NO₂)	Electrochemical sensor
Chlorine (CL₂)	Electrochemical sensor
Sulphur Dioxide (SO₂)	Electrochemical sensor
Hydrogen Chloride (HCL)	Electrochemical sensor
Carbon Dioxide (CO₂)	Infrared sensor